<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <script src="jquery-2.1.1.min.js"></script>
<script type="text/javascript">
ss(){

}
</script>
</head>
<body>
<input onclick="ss()" value="dddd" type="checkbox">

</body>
</html>
